6734789309 has 8 divisors (see below), whose sum is σ = 7133725368. Its totient is φ = 6336161280.

The previous prime is 6734789293. The next prime is 6734789333. The reversal of 6734789309 is 9039874376.

It can be written as a sum of positive squares in 4 ways, for example, as 3813062500 + 2921726809 = 61750^2 + 54053^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6734789309 - 2⁴ = 6734789293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6734789389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31202 + ... + 120179.

It is an arithmetic number, because the mean of its divisors is an integer number (891715671).

Almost surely, 2^6734789309 is an apocalyptic number.

It is an amenable number.

6734789309 is a deficient number, since it is larger than the sum of its proper divisors (398936059).

6734789309 is a wasteful number, since it uses less digits than its factorization.

6734789309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154015.

The product of its (nonzero) digits is 6858432, while the sum is 56.

The square root of 6734789309 is about 82065.7620996722. The cubic root of 6734789309 is about 1888.4609316591.

The spelling of 6734789309 in words is "six billion, seven hundred thirty-four million, seven hundred eighty-nine thousand, three hundred nine".